| | PROPULSIVE ADAPTOR FOR LONG-DURATION ORBITAL MANEUVERS | ACCION SYSTEMS INC | $19,975,607 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Mar 10, 2026 | Mar 10, 2026 | Jul 9, 2027 |
| | FUNDAMENTAL AND APPLIED SONAR PROCESSING RESEARCH AND EVALUATION II | UNIVERSITY OF TEXAS AT AUSTIN | $7,630,000 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541712 | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Sep 23, 2025 | Sep 23, 2025 | Sep 22, 2028 |
| | SUBSCALE MAIN INJECTOR DEVELOPMENT FOR REUSABLE METHANE BOOSTER ENGINES | URSA MAJOR TECHNOLOGIES, INC. | $1,900,000 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Sep 12, 2025 | Sep 12, 2025 | Jun 14, 2027 |
| | RANGE SAFETY SERVICES. FTM-40 TASK ORDER 13 | CHICKASAW STRATEGIC POINTE, LLC | $507,443 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541330Engineering Services | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | May 28, 2025 | May 27, 2025 | May 26, 2026 |
| | THRUST MEASUREMENT SYSTEM | FORCE MEASUREMENT SYSTEMS, INC. | $3,796,877 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Apr 11, 2025 | Apr 15, 2025 | Jun 30, 2026 |
| | DEVELOPMENT OF PROPULSION | PHASE FOUR, INC. | $1,799,997 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Apr 4, 2025 | Apr 7, 2025 | Dec 7, 2026 |
| | STTR-I SF24B-T008-0045 - SELF-REGULATING HEATERS FOR SATELLITES | SKYSTOCKS, INC. | $179,950 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Mar 5, 2025 | Mar 17, 2025 | Dec 17, 2025 |
| | STTR-I SF24B-T008-0076 - SELF-REGULATING HEATERS FOR SATELLITES | ADVANCED COOLING TECHNOLOGIES INC | $179,993 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Mar 5, 2025 | Mar 17, 2025 | Dec 17, 2025 |
| | MOOG ASCENT GREEN MONOPROPELLANT THRUSTER | MOOG INC | $7,195,263 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Jan 27, 2025 | Feb 3, 2025 | Feb 26, 2027 |
| | HELLBENDER | FIREFLY AEROSPACE INC. | $4,500,000 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Nov 12, 2024 | Nov 14, 2024 | Jan 14, 2027 |
| | PROVIDE UNBIASED SPACE SYSTEMS KNOWLEDGE, EXPERIENCED PROFESSIONAL A AND AS SERVICES SUPPORT TO AIR FORCE RESEARCH LAB SPACE VEHICLES DIRECTORATE. | TECOLOTE RESEARCH, INC. | $5,690,632 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541712 | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Nov 8, 2024 | Nov 15, 2024 | Jun 15, 2030 |
| | ADVANCED HYBRID ROCKET ENGINE DEVELOPMENT | FIREHAWK AEROSPACE INC. | $10,001,065 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Sep 28, 2024 | Sep 30, 2024 | May 29, 2027 |
| | OTV NOZZLE EFFORT | FIREFLY AEROSPACE INC. | $3,138,532 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Sep 23, 2024 | Sep 26, 2024 | Dec 25, 2026 |
| | FALCON SAT-11 INITIAL DESIGN | GENEVA TECHNOLOGIES, INC. | $4,011,082 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Sep 19, 2024 | Sep 19, 2024 | May 4, 2026 |
| | DEVELOP AND TEST HLS GEOFM FOR SCIENCE-DRIVEN ADVANCES FOR EARTH OBSERVATION | ARIZONA STATE UNIVERSITY | $249,955 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | 611310Colleges, Universities, and Professional Schools | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Sep 18, 2024 | Sep 1, 2024 | Dec 31, 2026 |
| | DIGITAL ENGINEERING APPROACH FOR ARCHIMEDES ENGINE DEVELOPMENT | ROCKET LAB USA INC | $6,861,643 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Aug 29, 2024 | Sep 9, 2024 | Feb 8, 2028 |
| | DEVELOP AND TEST HLS GEOFM FOR SCIENCE-DRIVEN ADVANCES FOR EARTH OBSERVATION | UNIVERSITY OF ARIZONA | $0 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | 611310Colleges, Universities, and Professional Schools | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Aug 23, 2024 | Sep 1, 2024 | Sep 1, 2025 |
| | LONGSHOT HYPERSONIC ACCELERATOR | LONGSHOT SPACE TECHNOLOGIES CORPORATION | $1,810,000 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Jul 3, 2024 | Jul 3, 2024 | Jun 3, 2026 |
| | 1 NEWTON CHEMICAL THRUSTER VALVE ASSEMBLY | MOOG INC | $1,226,834 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | May 21, 2024 | May 21, 2024 | Mar 31, 2026 |
| | ENHANCE SOLID ROCKET MOTOR DEVELOPMENT | X-BOW LAUNCH SYSTEMS INC | $14,942,809 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Feb 15, 2024 | Feb 15, 2024 | Feb 15, 2027 |
| | MODULAR POWER SYSTEM (MPS) | CUBIC AEROSPACE, LLC | $500,103 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Nov 20, 2023 | Nov 30, 2023 | May 6, 2026 |
| | XENON PROPELLANT AND LOADING SERVICES | ELECTRONIC FLUOROCARBONS, LLC | $1,045,457 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Oct 23, 2023 | Oct 25, 2023 | Mar 25, 2026 |
| | FLIGHT EXPERIMENTS ON TESTBED | STRATOLAUNCH, LLC | $28,063,854 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Sep 28, 2023 | Oct 1, 2023 | Sep 16, 2026 |
| | RAPID ENERGETIC & ADVANCED ROCKET MANUFACTURING | X-BOW LAUNCH SYSTEMS INC | $28,679,891 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Sep 27, 2023 | Sep 28, 2023 | Sep 28, 2026 |
| | THRUST MEASUREMENT SYSTEM | FORCE MEASUREMENT SYSTEMS, INC. | $11,008,929 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Aug 8, 2023 | Aug 9, 2023 | May 30, 2026 |